This study will be a retrospective observational study assessing identifiable tolerability problems in terms of their comparative incidence among Human Immunodeficiency Virus (HIV) patients treated with cART regimens including one of four different protease inhibitors [Atazanavir sulfate (ATV), Darunavir (DRV), Fosamprenavir (FPV), or Lopinavir (LPV)] and the impact of these identifiable tolerability problems on PI persistence, healthcare utilization, and healthcare costs.

At least 6 months of continuous enrollment and pharmacy benefits prior to the index date

At least 6 months of continuous enrollment and pharmacy benefits following the index date

At least 1 medical claim during the 6-month follow-up period

Contacts and Locations

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To learn more about this study, you or your doctor may contact the study research staff using the Contacts provided below.
For general information, see Learn About Clinical Studies.

Please refer to this study by its ClinicalTrials.gov identifier: NCT01450618